Also, hooboy. Watching my pops play Doom 2016 was a trip. He had to swap to I'm Too Young to Die from Hurt Me Plenty because he was getting shredded too much.
it's the SMB underground theme with very little decoration (or floors) so you're basically just jumping from claw to claw between spike blocks over an abyss
you also have to pick up a bunch of key coins along the way and hit some switches.